Explain the Three Main Types of Classes in Data Modeling

question 30

Essay

Explain the three main types of classes in data modeling.

---

Definitions:

Contribution Margin

The amount by which sales revenue exceeds variable costs of production, indicating how much contributes to covering fixed costs.

Variable Expenses

Costs that vary in proportion to changes in the level of activity or volume of production.

Contribution Format

A type of income statement format that separates fixed and variable costs, helping in determining the contribution margin of sold goods or services toward fixed costs and profits.

Management Performance Appraisals

The systematic evaluation of the performance of managers and the effectiveness of their leadership in achieving business objectives.